August weather forecast
Kirkland, WA

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Weather in August

As the calendar turns to August, Kirkland basks in the final full summer month with temperatures matching July’s highs. Despite the apex heat, August proceeds with controlled humidity and balanced pressure. Prolonged sunlit days and minimal rainfall preserves outdoor enthusiasts' interest. Moreover, with the fading of summer, the month culminates on a slightly cooler note. August's weather, however, ensures that the essence of summer in Kirkland is savored to the fullest.

Temperature

August, noted for its average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 53.2°F (11.8°C), is considered the warmest month.

Humidity

The average relative humidity in August is 71%.

Rainfall

In August, the rain falls for 6.1 days. Throughout August, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 175.1 rainfall days, and 28.58" (726mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 14h and 13min.
On the first day of August, sunrise is at 5:47 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:50 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 10.7h of sunshine.

UV index

The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in August transforms into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What month is the hottest in Kirkland?

In Kirkland, August records the average highest temperatures, peaking at 75.9°F (24.4°C) and reaching a low of 53.2°F (11.8°C).

What is the temperature in August in Kirkland?

In Kirkland, 75.9°F (24.4°C) is the average high-temperature and 53.2°F (11.8°C) is the average low-temperature during August.

What is the average humidity in August in Kirkland?

In Kirkland, Washington, the average relative humidity in August is 71%.

How much does it rain in Kirkland in August?

In Kirkland, Washington, in August, it is raining for 6.1 days, with typically 0.55" (14mm) of accumulated precipitation.

When it does not snow in Kirkland?

May through October are months without snowfall in Kirkland, Washington.

What is the average length of the day in August in Kirkland?

In August, the average day length is 14h and 13min.

When is the sunrise / sunset in August in Kirkland?

In August, on the first day of the month, sunrise is at 5:47 am and sunset at 8:42 pm. On the last day of the month, in Kirkland, sunrise is at 6:27 am and sunset at 7:50 pm PDT.

What month has the most sunshine in Kirkland?

The month with the most sunshine in Kirkland, Washington, is August, with an average of 10.7h of sunshine.

How many hours of sunshine does Kirkland have in August?

In August, the average sunshine duration is 10.7h.

What is the UV index reading in August in Kirkland?

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Kirkland, WA

Average temperature in August - Kirkland, WA
  • Average high temperature in August: 75.9°F

The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is December (42.8°F).

  • Average low temperature in August: 53.2°F

The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).

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Average pressure in August
Kirkland, WA

Average pressure in August - Kirkland, WA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in August
Kirkland, WA

Average wind speed in August - Kirkland, WA
  • Average wind speed in August: 3.4mph

The windiest months (with the highest average wind speed) are January and March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

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Average humidity in August
Kirkland, WA

Average humidity in August - Kirkland, WA
  • Average humidity in August: 71%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in August
Kirkland, WA

Average rainfall in August - Kirkland, WA
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days in August
Kirkland, WA

Average rainfall days in August - Kirkland, WA
  • Average rainfall days in August: 6.1 days

The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in August
Kirkland, WA

Average snowfall in August - Kirkland, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Kirkland, WA

Average snowfall days in August - Kirkland, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Kirkland, WA

Average daylight in August / Average sunshine in August - Kirkland, WA
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).

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Average sunshine days in August
Kirkland, WA

Average sunshine days in August - Kirkland, WA
  • Average sunshine days in August: 22.8 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is March (8.9 days).

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Average UV index in August
Kirkland, WA

Average UV index in August - Kirkland, WA
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Kirkland, WA

Average cloud cover in August - Kirkland, WA
  • Average cloud cover in August: 25

The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in August
Kirkland, WA

Average visibility in August - Kirkland, WA
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).

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Kirkland, Washington, USA

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